A piping bag isn’t something I’d categorize as a “normal” kitchen tool. Former chefs and pastry chefs will keep them in their home kitchen because the cheap, flexible, conical bag has ...
Piping bags? Nah, I'll cut the corner off a zip top bag. But zip top bags have their disadvantages. It's harder to get a clean, round, consistent shape — especially if you aren't using a piping tip.